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A high or good quality water will have

$\begin{array}{1 1}(a)\;High\;DO\\(b)\;High\;BOD\\(c)\;Low\;BOD\\(d)\;TLV\end{array}$

1 Answer

A high or good quality water will have high DO
Hence (a) is the correct answer.
answered Jan 21, 2014 by sreemathi.v
edited Nov 25, 2017 by sharmaaparna1
 
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